RaceAtlas

Alcatraz Island Tides: Friday, October 18, 2030

Tide heights at Alcatraz Island with the flood, ebb and slack schedule at the Golden Gate.

4.3 ft6:31 AM3.4 ft11:17 AM4.9 ft4:36 PM0.7 ft11:46 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 4:36 PM, low 0.7 ft at 11:46 PM. Gate: flood 1.9 kt at 4:00 AM, ebb 0.8 kt at 8:54 PM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
6:31 AMHigh4.3 ft
11:17 AMLow3.4 ft
4:36 PMHigh4.9 ft
11:46 PMLow0.7 ft
Current · Golden Gate
TimeStateSpeed
4:00 AMmax flood ENE (074°)1.9 kt
8:13 AMslack–
9:42 AMmax ebb SW (235°)0.4 kt
11:28 AMslack–
2:25 PMmax flood ENE (074°)1.7 kt
6:06 PMslack–
8:54 PMmax ebb SW (235°)0.8 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414792 (Alcatraz Island). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.